systemd/backport-core-device-remove-.device-unit-corresponding-to-DEV.patch
2022-05-18 18:55:19 +08:00

60 lines
2.3 KiB
Diff

From 87bc687a8cbadbc9eb3c77fba41a6caf3219cf7c Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Mon, 7 Sep 2020 13:43:56 +0900
Subject: [PATCH] core/device: remove .device unit corresponding to DEVPATH_OLD
Partially fixes #16967.
Reference:https://github.com/systemd/systemd/commit/87bc687a8cbadbc9eb3c77fba41a6caf3219cf7c
Conflict:context adaptation
---
src/core/device.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/src/core/device.c b/src/core/device.c
index 31aa3341c2..d242d15e36 100644
--- a/src/core/device.c
+++ b/src/core/device.c
@@ -897,6 +897,29 @@ static void device_propagate_reload_by_sysfs(Manager *m, const char *sysfs) {
}
}
+static int device_remove_old(Manager *m, sd_device *dev) {
+ _cleanup_free_ char *syspath_old = NULL, *e = NULL;
+ const char *devpath_old;
+ int r;
+
+ r = sd_device_get_property_value(dev, "DEVPATH_OLD", &devpath_old);
+ if (r < 0) {
+ log_device_debug_errno(dev, r, "Failed to get DEVPATH_OLD= property on 'move' uevent, ignoring: %m");
+ return 0;
+ }
+
+ syspath_old = path_join("/sys", devpath_old);
+ if (!syspath_old)
+ return log_oom();
+
+ r = unit_name_from_path(syspath_old, ".device", &e);
+ if (r < 0)
+ return log_device_error_errno(dev, r, "Failed to generate unit name from old device path: %m");
+
+ device_update_found_by_sysfs(m, syspath_old, 0, DEVICE_FOUND_UDEV|DEVICE_FOUND_MOUNT|DEVICE_FOUND_SWAP);
+ return 0;
+}
+
static int device_dispatch_io(sd_device_monitor *monitor, sd_device *dev, void *userdata) {
Manager *m = userdata;
DeviceAction action;
@@ -921,6 +944,9 @@ static int device_dispatch_io(sd_device_monitor *monitor, sd_device *dev, void *
if (!IN_SET(action, DEVICE_ACTION_ADD, DEVICE_ACTION_REMOVE, DEVICE_ACTION_MOVE))
device_propagate_reload_by_sysfs(m, sysfs);
+ if (action == DEVICE_ACTION_MOVE)
+ (void) device_remove_old(m, dev);
+
/* A change event can signal that a device is becoming ready, in particular if the device is using
* the SYSTEMD_READY logic in udev so we need to reach the else block of the following if, even for
* change events */
--
2.27.0